Because English is the universal language. The knowledge of the English language, making the advantage of understanding the world and the opportunity to progress in your career.
Because English is the universal language, to have a knowledge of English, making it advantageous to understand people around the world and have the opportunity to advance in functionality.
Because English is a Universal language, there is the knowledge of English, so it has the advantage of understanding of progress in the world and have the opportunity to work.